package com.itheima.fuxichengxu;

public class Oushusum {
    public static void main(String[] args) {
        int evenum = 0;
        for (int i = 1; i <= 100 ; i++) {
            if(i % 2 == 0){
                evenum += i;
            }
        }
        System.out.println(evenum);
    }
}
